fix(deps): update dependency org.eclipse.jetty:jetty-servlet to v9.4.48.v20220622

Author: renovate[bot]

pom.xml

@@ -28,7 +28,7 @@
         <service.name>raspberrypi-blue-green-deployment</service.name>
         <jackson.version>2.13.3</jackson.version>
         <jersey.version>2.36</jersey.version>
-        <jetty.version>9.4.47.v20220610</jetty.version>
+        <jetty.version>9.4.48.v20220622</jetty.version>
         <spring.version>5.3.21</spring.version>
         <slf4j.version>1.7.36</slf4j.version>
         <hystrix.version>1.5.18</hystrix.version>